Hisn ad-Dawlah Haydar

Hisn ad-Dawlah Haydar (1032-) was the Emir of the Yousifid Emirate.

Biography
Hisn ad-Dawlah Haydar was born in 1032 to a Shi'ite Muslim Levantine Arab family. Hisn ad-Dawlah Haydar became the Emir of the Yousifid Emirate, and he was the heir to the Emirate of Jerusalem, Emirate of Alexandria, Sheikhdom of Hebron, and Sheikhdom of Jerusalem.